Checkmk Werk 15413: Process discovery: Fix `Invalid check parameter: ...` in discovery page

ID: 15413 Title: Process discovery: Fix `Invalid check parameter: ...` in discovery page Component: Setup Level: 1 Class: Bug fix Version: 2.3.0b1 If <i>Display > Show check parameters</i> was activated, the discovery page showed C+: Invalid check parameter: Undefined key 'process' in the dictionary. C-: when discovering services which monitor processes.